20ft Container ESS 500kW UL Standard Battery Energy Storage System for Off-Grid and Commercial Use. Features 500kW power output, 172kWh battery capacity, IP54 protection, and forced air cooling. Designed for commercial and industrial applications with UL9540 & UN38.3 certification, enabling safe containerized energy storage. Supports on-grid/off-grid switching <20ms, integrated EMS, remote monitoring, and fire suppression system. Ideal for microgrids, renewable integration, and backup power.More